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您访问的页面出现了错误,请检查您输入的网址是否正确
错误消息：
Unable to connect to any of the specified MySQL hosts.
位置：/books/detail.aspx
trace： at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver() at MySql.Data.MySqlClient.MySqlPool.GetConnection() at MySql.Data.MySqlClient.MySqlConnection.Open() at DBHelp.DBMySql.PrepareCmd(MySqlCommand cmd, MySqlConnection connection, MySqlTransaction trans, CommandType cmdType, String cmdText, MySqlParameter[] param) at DBHelp.DBMySql.ExecuteReader(MySqlConnection conn, MySqlTransaction trans, CommandType cmdType, String sql, MySqlParameter[] param) at Jrziyuan.DataProvider.Provider`1.QueryModel(List`1 keys, String tableName, List`1 Select, String sort) at Jrziyuan.Data.Hy_contentDAL.QueryModel(String[] field, List`1 Select, String sort) at Jrziyuan.Data.Hy_contentDAL.QueryModel(String[] field, Int32 id) at ASP.books_detail_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\syty\jrziyuan_wwwroot\books\detail.aspx:line 29 at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) at System.Web.UI.Page.Render(HtmlTextWriter writer) at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
位置：/books/detail.aspx
trace： at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver() at MySql.Data.MySqlClient.MySqlPool.GetConnection() at MySql.Data.MySqlClient.MySqlConnection.Open() at DBHelp.DBMySql.PrepareCmd(MySqlCommand cmd, MySqlConnection connection, MySqlTransaction trans, CommandType cmdType, String cmdText, MySqlParameter[] param) at DBHelp.DBMySql.ExecuteReader(MySqlConnection conn, MySqlTransaction trans, CommandType cmdType, String sql, MySqlParameter[] param) at Jrziyuan.DataProvider.Provider`1.QueryModel(List`1 keys, String tableName, List`1 Select, String sort) at Jrziyuan.Data.Hy_contentDAL.QueryModel(String[] field, List`1 Select, String sort) at Jrziyuan.Data.Hy_contentDAL.QueryModel(String[] field, Int32 id) at ASP.books_detail_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\syty\jrziyuan_wwwroot\books\detail.aspx:line 29 at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) at System.Web.UI.Page.Render(HtmlTextWriter writer) at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)